Dr. Patricia E. Wirth Patricia Wirth received a B. A. in mathematics from the University of Nebraska in Lincoln in 1971 and the M. S. and D. Sc. degrees in Systems Science and Mathematics from Washington University in St. Louis in 1978 and 1980. In 1981 she joined AT&T Bell Laboratories in Holmdel, New Jersey, where she was a Member of Technical Staff until 1985 when she became a Technical Manager supervising performance modeling of AT&T's (now Lucent's) 5ESS Switch. In 1990 she was appointed Head of the Department of Teletraffic Theory and System Performance. She is currently Functional Director of the Network Design and Performance Analysis Department in AT&T Labs where she leads a department of 50 experts chartered to assess and improve the performance of AT&T's networks, products and services. She chairs the AT&T Labs Fellowship Program that provides financial and mentoring support to women and minorities pursuing doctorates in the sciences and engineering; this program was awarded the Presidential Award for Excellence in Science, Mathematics and Engineering Mentoring in 1998. She was the co-chair of the Technical Program Committee for the 15th International Teletraffic Congress and is currently a member of the International Advisory Committee to the ITC. She has published numerous journal articles in modeling and performance and is a frequent invited speaker at technical conferences and universities. In 1995 she received the YWCA Tribute to Women and Industry Award. In 1996 she was awarded the Women of AT&T Management /Executive Award. In 1997 she was named an AT&T Fellow for the application of teletraffic theory, network performance modeling and systems analysis leading to world-class performance of the global AT&T Network. In 1998 she was named a Master at the Unversity of Nebraska.